擅长:python、mysql、java
<p>我建议在这种情况下使用字典,我将告诉你如何:</p>
<pre><code>users_pass = {"user1" : "pass1", "user2":"pass2", "user3":"pass3"}
def login():
print("*****LOGIN SCREEN******")
username=input("Username: ")
password=input("Password: ")
if username not in users_pass:
print("The user doesnt exist")
elif users_pass[username] == password:
print("password ok")
def register():
print("*****REGISTRATION****")
username=input("Enter a username:")
password=input("Enter a password:")
users_pass[username] = password
answer=input("Do you want to make another registration?")
if answer=="y":
register()
else:
registration_details()
</code></pre>
<p>如果只想使用列表:</p>
^{pr2}$